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相当一部分旧路改建工程是在山区。一般山岭地区地形复杂,常常会遇到悬崖、森林、坍方、滑坡、冲沟和许多的河叉,并且地质、水文情况在相隔不远处差别很大。这些特点决定了山区公路线形设计技术性强,涉及面广,在测设全过程中占主导地位。因此,认真总结山区改建工程线形设计的经验及教训,对于合理、快速、高效地完成公路勘测设计任务以及提高设计质量、降低工程造价都具有一定积极意义。
A considerable part of the old road reconstruction project is in the mountains. In general, mountainous terrain is complex and often encounters cliffs, forests, landslides, landslides, gullys and many river forks, and the geological and hydrological conditions vary widely from place to place. These characteristics determine the linear design of mountainous highway technology, involving a wide range of measurement in the whole process of the dominant position. Therefore, conscientiously summing up the experiences and lessons learned from the linear design of mountain reconstruction project is of positive significance for completing the task of road survey and design, improving the design quality and reducing the project cost reasonably, quickly and efficiently.